Developer tools.
Free, browser-based tools built for integration engineers. No sign-up, no installs, no data sent to any server.
Featured tools
Production-ready utilities, used daily.
DataWeave Engine
Write, test, and debug DataWeave 2.x transformations live in your browser. Syntax highlighting, real-time output, JSON/XML/CSV inputs.
Secure Properties Tool
Encrypt and decrypt MuleSoft secure properties using AES, Blowfish, DES, 3DES. All processing happens in your browser — zero data sent.
More tools
Quick utilities for everyday integration work.
Error Code Lookup
Search 400+ MuleSoft error codes with root causes and fixes.
RAML / OAS Validator
Validate RAML 1.0 and OpenAPI 3.1 specs with line-level annotations.
Cron Expression Builder
Visual cron builder with human-readable preview and next run times.
JSON to DataWeave
Scaffold DataWeave scripts straight from a sample JSON payload.
XML Formatter
Pretty-print, minify, or validate XML — SOAP, config, and Mule payloads.
Base64 Encoder / Decoder
Encode or decode Base64 text and files, with URL-safe mode.
JWT Decoder
Decode and inspect JWT headers, claims, and expiry — all in your browser.
DataWeave Cheatsheet
Searchable reference of DataWeave 2.0 operators and core functions.